US3057608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gathering chain for silo unloaders
Assignee: Individual
•
Filing: 1961-02-13
•
Granted: 1962-10-09
•
Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Patz Paul
- 👤 Edward A Graetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:39
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/36; B65G65/38; A; A01; A01F; A01F25/00; A01F25/16; A01F25/20; A01F25/2009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |